How to read the band →
Solid line = floor (spellings that unambiguously belong to the group). Shaded band up to the dashed edge = ceiling (the most it could reach if every ambiguous spelling counted here).
Haisley
Haisley has been climbing in recent years. All-time it's been given to 5,433 U.S. babies, the 891st most common name by sound today, peaking at 830 in 2020, with 643 in 2025.
Haisley has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).